Mucking apparatus.



W. B. TRENT. MUGKING APPARATUS. Y APPLICATION FILED MAR 2 1912 Pantedsep.16,1913.

1 2 SEEETS*SHEBT 2.

Neva

WALTER E. TREN@ PRE-NQ, NEVAM,

Beernem-e- Wiessee..

. Vapplicati@ led glareh To qll z 0/lem may conce/m,

Be it known that I *Warren Tueur, a citizen of the Uniteil States,resicling at Reno, in the county of 'Washoe and State of V da, hay@invented, certain newanfl useful linproveniente in llfueking rpparatus,of which the following is a specification.

The present invention relates to en ai paratus :for following `thedrilling or blasting operation in, the driving of a gninevor railwaytuxlnel, the purpose thereof being to "remove the debris or loose soilbroken down within the tunnel by the operators in advance thereof; theobject of the invention being the oreduetie of a Simple, efficient? en@durable meehil. fer suessfully removipg the soil an4 rook displaced bythe drilling and blasting operation, a machine which will' handle a'large tonnage per day, and one which will dispense with the einploymentolf a large force or 'Working crew of mee et' Present l'eeure 'be'remi/ine such material from within the tunnel as the work therein.progresses, the machine beieg 'of suoli e obere-eter es. not .only toremore the loose or ellingmaterial, but at the same time leave the.interior Well sei'- faee of the tunnel-in a substantially lin ishecleoinltiogi.

In general, the apparatus. comprises a suitable supporting structure, arotatable leliyjery cylinder or tube mounted thereon, a spiral scoop forelevating the loosened material and discharging' the saine into.tbe

deliyery cylinder, mechanism for propelling the supporting structureand, imparting rotation "no, the delivery Icyli2 yder or tube, andIneansfor controlling `the Ilongitudinal feed of the seid cylinder ortube.

llo comprehend thel invention, reference should be to the accompanyingsheets of drawings, wherein- Figure l is a elevation of the im- 'rovedapparatus illustrated as positioned Within a'tuunel under course ofconstrue, tion, the tunnel being broken away for puff pose ofillustration. Fig. 2 is a top plan View of the apparatus. Fig. 3 is afront elevation of the rotatable eflimler or tribe with the spiral scoopapplie thereto. Fig. 4 is :1 plan Yiew of the supporting stroef turewith the rotatable cylinder or tube ami pei-ts supported therebyremoved, ,Seid vier-f disclosing the ole-aerei arrangement, Gli ellemechanism 'for imparting rotation to the. eef' tatable cylinder or tubeand, eefl n'iovemeut opeoeatiou of Le tiere Ilalent.

latenteil Sept. lo, ill.

to the supporting struoture. Fig'. 5 is an enlarged detail View of thelook nut for enraging 'with the threads of the rotatable cylinder or'tube for lcausing.T longitudinal travel thereof relativo totlie'supporting structure, said nut being' illustrated in e11- genienbwith the outer threads of the Cylin- :eler or tube, which is partlybroken away.v

ln the'lrewings7V the vnumeral l. is used to designate any suitable formof a supporting raineoapable of sustaining the working parte of theapparatus, the saine being supported by the forward Whees` and, the rearwheels 2', mounted respectively on the forward axle 3 and rear axle 3.From the supporting frame or bed l upwardly springs or feed opening B.The scoopl 7 which' is fastened to the forward end of the cylinder orlube serves as a laterally promoted auger yfor cutting, oleif'ating'anddischarging the material to be removed from within the tunnel into thecylinder or tube 5, the size of the soooy; from the airis oil' the saidoyliniler or tube 5 to its exirei'lie cutting or shovel elige of itsshovel extension S being ap iroximately one-hall the diameter of theiunufel lo be formed, so that with eaoh revolution of the .cylinder ortube 5 the scoop 7 Wil] travel approximately the oirmunferenoe of thetunnel, the cutting or shovel edge of its shoyel extension acting closeto the oom- ,pleteyvall' of the tunnel. As ,rotation is imparterl to theeylinderor tube 5, the spiral scoop or shovel?" picks up the vloosenedmaterial in aduanas thereof and discharges the saine into the cylinderor tube 5, Where the material is acted on by the spiral rib 9 thereinwhich seryes as worm. for forcing the reoeiyeei materiel through the4cylinder or Alube and clisehar .ing the same at the rear thereof,delivers the material into .ce e Seeed e e@ wir en@ eee apeeielue le.receive ilie'eelel 'lhe apyaratus' as a Whole moves within .the teveelee Sile-porties tracks 1'0 Placed lrierem to ;eoeiy e"the saine; whichtracks or rails are extended 'Wit iin the tunnel as the work thereinadvances, and the ap paratus is held securely in place within the tunnelduringjY the longitudinal or feed movement of the rotating` eylinder ortube 5 by means of the -jaelts 11 and 1l which are supported b y thepillar bloelts -l and 4 and adjusted to bear against the root. of thetunnel beingy formed. .lt may be desirable at times to throw the nut outoll engagement with the spiral serew threads, aml rotate tbe. cylinderor tube 5 independently of any longitudinal movement thereot' rela-'tivewtoy the frame, and as the material is removed Vto advance theentire machine as t'ar as the tracks extend and when this point israehed to tln'ow the nut into e|. ,'a ;'e ment wit-h the spiral serewthreads and advance the tube simultaneously with the rotation thereot.ll'hen it is desired to l'orwardly advance the supporting frame orstructure after the rotatable cylinder or tube has` moved forwardly itst'ull distant-e in advance thereof, and then screwed bark to its normalstarting' position, in order to position the spiralshovel t'or a newaretion ol work, the jaelts ll and llI are .serewed down and the entireapparatuf.- moyed tor- `wardly within the tuum-l a dishuieeietpial tothe projectionI of the rotatableA u vlinder or tube beyond the same. the'iai-lts being; then screwed up to hold the z`|pp.\ratu:-l loelied insaid posit ion.

The apparatus is operated by any icuii able type of a reversible motoror engintl 12, iu the present ease an eleetrie motor bei e' elnpload,the power ot' which is transmitted to a drive shaftl 12 by a ehain lllWorking; over a sprocket wheel 125 on the motor shaft aud a. sproeketwheel l-t on the drive shaft 12. 'lhe rotation ol. theI drive Shaft istransmitted to the rear axle 25 ot' the suliporting structure in anysuitable manner, as, for instance, by a drive chain 14 Working over asprocket. wheel 15 of tlie rear axle 3 and a sprocket Wheel 15 loose on.the drive shaft 12', the said sprocket wheel l5 beinethrown into and outof locked engagement with the drive shaft 12 by means of the aetuatingfric tionclutch 16, thrown .into engagement with the hub thereof .by ahand controlled lever 16 extended to a point within con-- venient reaehof the operator of the machine. y

In addition to the sproehet 15 loose on the drive shaft. IZ, there isloosely mounted thereon a worm t7, in mesh with the, worm gear ring 17though which the rotatable cylinder or tube 5 extends, being featheredthereto. The hub 1S ol.' the worm 17 is engaged by a t'rietion elnteh ISSecured to the drive shaft for imparting,r motion or rotation thereto:for driving.; the. eylinder or tube 5, the said eluteh being controlledby a hand actuated lever 19 extended to within eonvenient reaeh of the oerator of the machine. ln this manner t e power of the aetnating niotoris transmitted for imparting rotation to the cylinder or tube 5, thedirection of its rotation depending u on the fotary motion transmittedto the rive'shaft.

For imparting forward and rearward longitudinal movement to therotatable cylinder or tube 5, depending upon the direction ot' rotationimparted to the drive shaft 12. the said 4eylinder or tube is providedwith the external se1'e\\'-threads 119', for its t'rrll length, whirhare engaged b v the internally threaded segmental nut 20, pivotall vmounted as at 20 between `suitable ears 20;' extending upwardly from oneof the pillar blocks` say 4. When the said nut is in mesh with theexternal threads 0f the cylinder or tube 5, a longitudinal feed movement is imparted to said cylinder or tube during the. rotary movementthereof, which longitudinal movement ceases the moment the feed nut Q0is thrown out of engagement with the external threads of the cylinder ortubo 5. 'lhe forward movement of the said erlinder or tube is regulatedin aeeordanee with the work of removing.;` the loose soi! or debrisIwithin the tmmel in advauee thereof, the same being held againstt'orward l'eed until the spiral seoop has taken up the dirt to theextent ot its full width and t'ormed a eleau inner wall to the tunnelduring the rotary movement thereot'. the eylinder or tube being then ad-\.aueed forward :mother step by throwing the.v l'eed nut intoengagementtherewith, sueh istep leed eontinuine' until the cylinder ortube ."1 has moved outwardly its tull dis-laure. and the tunnel cleanedto sut-h a point. ly then reversing' the drive. motor, au inni-rrdlongitudinal tred will be transmitted to the cylinder or tube 5,provided the feed nntbe thrown into engagement. with the externalthreads thereot'` to toreo the sanne itI t'ull inward distanrtnat whiehtime the t'eed nut is moved out ot` loehed engagement therewith and theelutrh lo" diseonueettal from the hub 1S of the worm 17. The reversing:eontroller l'or the motor is then thrown to impart forward travel to thestructure, the. lever VltS being op erated to place the. eluteh 1G intoengagement with the hub of the sproelietwheel 15', thus forwardlyai'lva'neing the strut-ture the desired distance, when the eluteh 16 isthrown out olengagement with the sproeltet wheel 15 and the elutehvltthrown to eonneet'. the worm 1T to the drive shaft 12 `t'orimparting;` rotation to the Cylinder or tube. 5 and the `spiral shovel 7carried thereby. l

Il v the use ol' the dteribed apparatus the worh olI removing the loosematerial from within the tunnel is in keeping with the albanre worh ot'drillingand blasting, leaving the same in-a finished condition. As thecar 9 located at the rear end of-f cylinder 5 becomes filled withmaterial, the same is removed and an empty car placed beneath thedischarge end of the cylinder 5.

I am aware that various changes may be made in the construction of thevarious Working parts of the described apparatus without creating adeparture from the in-v raising material and dischargino' the same'therein, devices actuated by the rive mechanism for imparting rotationto the rotatable tube and the scoop carried thereby, and independentloperated .means for imparting lon` gitndina movement to the said tubeduring the rotary motion thereof.

2. In an apparatus .for the described pur .'pose, the combination with alongitudinally disposed rotatable tube, provided for its full lengthwith external screw threads, of a scoop carried at the forward endthereof and rotatable therewith, of mechanism for U impartinglongitudinal movement to the rotatable tube, means for receiving andremoving the material discharged from the said 40 tube, and a feed nutfor engaging with the external threads of the tube for controlling thelongitudinal movement of the said tube during the rotation thereof.

' 3. ln an apparatus for the described purpose, the combination with asupporting structure provided with bearing pillars, of drive mechanismfor imparting longitudinal movement thereto, a longitudinally disposedrotatable tube Working Within the said bearing blocks, said tube beingprovided with an internal helical rib and beine externallyscrew-threaded, a worin ring ibathered to said tube, a scoop carried attheouter end portion of said tube for receiving material and dischargingAthe same into the tube, a worin for engaging the worm ring of the tube,devices for locking said worin to the drive mechanism. for actuating theWorm ring for imparting rotation to the tube, and afeed nut for engagingthe external threads of the tube for imparting longitudinal movement tothe said tube during the rotary movement thereof.

4. ln an apparatus :tor the described purpose, the combination with asupporting structure, of drivel mechanism for imparting longitudinaltravel thereto, a longitudinally movable and rotatable tube mounted inbearings of the supporting structureaid tube being provided with aninternal helical rib extended throughout the length thereof, of meansactuated fromy the drive mechanism for imparting rotation to the .tube,a spiral scoop carried at the outer end portion ot' the tube androtatable therewith for elevating material to be removed and dischargingthe same into the said tube, ot

devices contro-lling Athe longitudinal move| nient' of the tube, andmeans foi-.ireceiving the material dischargedirom the said tube. Intestimony whereof l. have signed my naine to this specilication in thepresence of two subscribing Witnesses.

lVALTER ETRENT.

lllitiiesses: i N. A. Amina',

RICHARDS.

